He reads detective stories on occasion.
- De temps en temps, il lit des romans policiers.
I felt like reading the detective story.
- J'avais envie de lire le roman policier.
A policeman was watching it, with his arms crossed.
- Un policier regardait les bras croisés.
He ran away at the sight of a policeman.
- Il s'enfuit à la vue du policier.